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Finding the Third Proportional to 495 and 705.38

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Solution

The third proportional to 495 and 705.38 is: 1,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495 : 705.38 = 705.38 : x
  2. Step 2: Convert to fraction form
    495/705.38 = 705.38/x
  3. Step 3: Cross multiply
    495x = 705.38 × 705.38
  4. Step 4: Simplify right side
    495x = 497,553.89
  5. Step 5: Solve for x
    x = 497,553.89/495
  6. Step 6: Final answer
    x = 1,005.16

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.